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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script type="text/javascript">
     // 1.将map转成对象
    var map = new Map()
    map.set('name','Zoe').set('age',16).set('gender','male')
    var obj ={}
    for(let [y,g] of map){
        obj[y]=g
    }
    console.log(obj);

    // 2.对象转map
    var obja={
        name:'Zoe'
    }
    var mapa=new Map()
    for(let [y,g] of Object.entries(obja)){
        mapa.set(y,g)
    }
    console.log(mapa.get('name'));
    </script>
</body>
</html>